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iconv_mime_decode

(PHP 5)

iconv_mime_decode --  Decodes a MIME header field

Description

string iconv_mime_decode ( string encoded_header [, int mode [, string charset]] )

Returns a decoded MIME field on success, or FALSE if an error occurs during the decoding.

mode determines the behaviour in the event iconv_mime_decode() encounters a malformed MIME header field. You can specify any combination of the following bitmasks.

Table 1. Bitmasks acceptable to iconv_mime_decode()

ValueConstantDescription
1ICONV_MIME_DECODE_STRICT If set, the given header is decoded in full conformance with the standards defined in RFC2047. This option is disabled by default because there are a lot of broken mail user agents that don't follow the specification and don't produce correct MIME headers.
2ICONV_MIME_DECODE_CONTINUE_ON_ERROR If set, iconv_mime_decode() attempts to continue to process the given header even though an error occurs.

The optional charset parameter specifies the character set to represent the result by. If omitted, iconv.internal_charset will be used.

Example 1. iconv_mime_decode() example

<?php
// This yields "Subject: Prüfung Prüfung"
echo iconv_mime_decode("Subject: =?UTF-8?B?UHLDvGZ1bmcgUHLDvGZ1bmc=?=",
                       0, "ISO-8859-1");
?>

See also iconv_mime_decode_headers(), mb_decode_mimeheader(), imap_mime_header_decode(), imap_base64() and imap_qprint().

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